Transcript Electrical Power Systems Inhibit Scheme – VT HokieSat

Lightband, Lower
(Primary)
Lightband, Lwr Primary (+)
VA-20
VA-19
VA-18
VA-17
VA-16
VA-15
VA-14
RPA3
Struct GND
VA-13
RPA2
VA-12
T2 MSDS + 28 V
TO DAWGSTAR
VA-11
NRPA2
T1 MSDS + 28 V
NRPA3
VA-10
Struct GND
VA-9
VA-8
VA-7
VA-6
VA-5
VA-4
VA-3
VA-2
VA-1
Inhibit Scheme – VT HokieSat
Lightband, Lwr Primary (-)
Electrical Power Systems
Lightband, Lower
(Secondary)
LR 7AB
LR 1AB
- Inhibit 1AB Reset
- Inhibit 7AB Reset
Voltage
Monitor
Current
Monitor
-Y2
-Y2
+Y1
+Y1
Propulsion
-X2
-X2
+X2
+X2
+ Inhibit 7AB Reset
+ Inhibit 1AB Reset
LR 2AB
LR 6AB
- Inhibit 2AB Reset
- Inhibit 6AB Reset
Solar Array
-Y2
-Y2
+Y1
+Y1
-X2
-X2
+X2
+X2
+ Inhibit 2AB Reset
+ Inhibit 6AB Reset
LR 5AB
LR 3AB
- Inhibit 5AB Reset
- Inhibit 3AB Reset
Battery
-Y2
-Y2
+Y1
+Y1
Power
Conditioning
Polyswitch
-X2
-X2
+X2
+X2
+ Inhibit 5AB Reset
+ Inhibit 3AB Reset
- Inhibit 4AB Reset
-Y2
Satellite Load
LR 4AB
+Y1
-X2
+X2
+ Inhibit 4AB Reset
- Inhibit 8AB Reset
-Y2
LR 8AB
+Y1
-X2
+X2
+ Inhibit 8AB Reset
CHASSIS
TO MSDS
RPA5
RPA6
Struct GND
RPA4
RPA3
RPA1
RPA2
T2 MSDS + 28 V
T1 MSDS + 28 V
NRPA1
A2
NRPA3
NRPA2
A1
NRPA4
· All components not part of the electrical circuit
are electrically bonded such that the total endto-end payload resistance is < 1 milliohm
Struct GND
NRPA6
NRPA5
· Circuit GND and Structural GND separated by
at least 1 megaohm
HOKIESAT
(IONF-1)
Lightband, Upr Primary (-)
Lightband, Lwr Primary (-)
Lightband, Upper
(Primary)
Lightband, Upr Primary (+)
VA-40
VA-39
VA-38
VA-37
VA-36
VA-35
VA-34
Struct GND
VA-33
RPA3
VA-32
T2 MSDS + 28 V
TO USUSAT
VA-31
NRPA3
T1 MSDS + 28 V
VA-30
Struct GND
VA-29
VA-28
VA-27
VA-26
VA-25
VA-24
VA-23
VA-22
VA-21
VA-1 thru VA-20
Inhibit Scheme – UW Dawgstar
Lightband, Lwr Primary (+)
Electrical Power Systems
Lightband, Upper
(Secondary)
LR 7AB
LR 1AB
- Inhibit 1AB Reset
- Inhibit 7AB Reset
Voltage
Monitor
Current
Monitor
-Y2
-Y2
+Y1
+Y1
Propulsion
-X2
-X2
+X2
+X2
+ Inhibit 7AB Reset
+ Inhibit 1AB Reset
LR 2AB
LR 6AB
- Inhibit 2AB Reset
- Inhibit 6AB Reset
Solar Array
-Y2
-Y2
+Y1
+Y1
-X2
-X2
+X2
+X2
+ Inhibit 2AB Reset
+ Inhibit 6AB Reset
LR 5AB
LR 3AB
- Inhibit 5AB Reset
- Inhibit 3AB Reset
Battery
-Y2
-Y2
+Y1
+Y1
Power
Conditioning
Polyswitch
-X2
-X2
+X2
+X2
+ Inhibit 5AB Reset
+ Inhibit 3AB Reset
- Inhibit 4AB Reset
-Y2
Satellite Load
LR 4AB
+Y1
-X2
+X2
+ Inhibit 4AB Reset
- Inhibit 8AB Reset
-Y2
LR 8AB
+Y1
-X2
+X2
+ Inhibit 8AB Reset
HOKIESAT
Lightband, Lwr Primary (-)
DAWGSTAR
(IONF-2)
Lightband, Lwr Primary (+)
RPA3
Struct GND
RPA2
NRPA3
NRPA2
T2 MSDS + 28 V
· All components not part of the electrical circuit
are electrically bonded such that the total endto-end payload resistance is < 1 milliohm
T1 MSDS + 28 V
· Circuit GND and Structural GND separated by
at least 1 megaohm
Struct GND
VA-1 thru VA 19
CHASSIS
VA-60
VA-59
VA-58
VA-57
VA-56
VA-55
VA-54
VA-53
VA-52
VA-51
VA-50
VA-49
VA-48
VA-47
VA-46
VA-45
VA-44
VA-43
VA-42
Inhibit Scheme – USUSat
VA-41
VA-21 thru VA-40
VA-1 thru VA-20
Electrical Power Systems
LR 7AB
LR 1AB
- Inhibit 1AB Reset
- Inhibit 7AB Reset
Voltage
Monitor
Current
Monitor
-Y2
-Y2
+Y1
+Y1
Deployables
-X2
-X2
+X2
+X2
+ Inhibit 7AB Reset
+ Inhibit 1AB Reset
LR 2AB
LR 6AB
- Inhibit 2AB Reset
- Inhibit 6AB Reset
Solar Array
-Y2
-Y2
+Y1
+Y1
-X2
-X2
+X2
+X2
+ Inhibit 2AB Reset
+ Inhibit 6AB Reset
LR 5AB
LR 3AB
- Inhibit 5AB Reset
- Inhibit 3AB Reset
Battery
-Y2
-Y2
+Y1
+Y1
Power
Conditioning
Polyswitch
-X2
-X2
+X2
+X2
+ Inhibit 5AB Reset
+ Inhibit 3AB Reset
- Inhibit 4AB Reset
-Y2
Satellite Load
LR 4AB
+Y1
-X2
+X2
+ Inhibit 4AB Reset
- Inhibit 8AB Reset
-Y2
LR 8AB
+Y1
-X2
+X2
+ Inhibit 8AB Reset
Lightband, Lwr Primary (-)
Lightband, Upr Primary (-)
Lightband, Upr Primary (+)
USUSAT
(IONF-3)
Lightband, Lwr Primary (+)
TO DAWGSTAR
RPA3
NRPA3
T2 MSDS + 28 V
· All components not part of the electrical circuit
are electrically bonded such that the total endto-end payload resistance is < 1 milliohm
T1 MSDS + 28 V
· Circuit GND and Structural GND separated by
at least 1 megaohm
Struct GND
VA-1 thru VA 19
VA-21 thru VA 39
CHASSIS